Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Illustration of the two experimental set-ups. a Collateral configuration with alternating measurements of the same steady-state activity made by the two identical gas analysis units. b Simultaneous configuration with simultaneous measurements of the same steady-state activity made by both identical gas analysis units, but sharing a common mixing chamber
